Fertilization of an ovule by a pollen grain of the same genet. (The pollination of cultivated plants: a compendium for practitioners, FAO, 2018 (http://www.fao.org/3/i9201en/I9201EN.pdf).)
Atopy is the tendency to produce an exaggerated immunoglobulin E (IgE) immune response to otherwise harmless substances in the environment. (Wikipedia, 2024. Atopy. https://en.wikipedia.org/wiki/Atopy)
Regions of moderately low rainfall, which are not highly productive, usually classified as rangelands. "Moderately low" is widely accepted as between 100 and 250 mm of precipitation per year. (IPCC, 2007. https://www.informea.org/en/knowledge/glossary/semi-arid-zone)
Cultivation of successive crops sown and harvested on the same piece of land previously occupied by another crop, or even by the same crop, during the same agricultural year. (Adapted from FAO, 2024. Crops Statistics - Concepts, Definitions and Classifications https://www.fao.org/economic/the-statistics-division-ess/methodology/methodology-systems/crops-statistics-concepts-definitions-and-classifications/en/)
Note
One crop is planted after another without fallowing